[FIX] discuss: channel name overflow

Before this commit:
The channel name used to overflow in the channel suggestion section.

After this commit:
The name will not overflow in the channnel suggestion section.

Task id: 3366608

closes odoo/odoo#126867

X-original-commit: d629710f
Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail/static/src/components/discuss_sidebar_category/discuss_sidebar_category.scss

@@ -39,6 +39,10 @@
     margin-right: $o-mail-discuss-sidebar-scrollbar-width;
 }
 
+.o_DiscussSidebarCategory_newChannelAutocompleteSuggestions {
+    word-wrap: break-word;
+}
+
 .o_DiscussSidebarCategory_newItem {
     display: flex;
     justify-content: center;